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Appendix 3H - Notification of cessation of securities Announcement Summary Entity name ALTERITY THERAPEUTICS LIMITED Announcement Type New announcement Date of this announcement Wednesday

Key Takeaway: Alterity Therapeutics Limited has announced the cessation of 91,392,720 options expiring on January 6, 2026. The options, identified as ATHAAD, have ceased due to expiry without any exercise or conversion. Following this cessation, the total issued capital will be affected, contributing to potential changes in the company's market capitalization. No consideration will be paid for this cessation, and further changes to capital may be impacted by pending announcements.

Market Sentiment Analysis

CONCERNS & RISKS

  • 91,392,720 options expired without exercise or conversion.
  • Cessation of a significant number of equity securities.
  • Potential impact on market capitalization due to ceased securities.

Full Press Release Details

Announcement Summary
ALTERITY THERAPEUTICS LIMITED
Date of this announcement
Wednesday January 07, 2026
Details of +securities that have ceased
ASX +security code Security description Number of +securities that have ceased The +securities have ceased due to Date of cessation
ATHAAD OPTION EXPIRING 06-JAN-2026 EX $0.032 91,392,720 Expiry of option or other convertible security without exercise or conversion 06/01/2026
Refer to next page for full details of the announcement
Part 1 - Announcement Details
1.1 Name of +Entity
ALTERITY THERAPEUTICS LIMITED
We (the entity named above) provide the following information about our issued capital.
1.2 Registered Number Type Registration Number
ABN 37080699065
1.3 ASX issuer code
ATH
1.4 The announcement is
New announcement
1.5 Date of this announcement
7/1/2026
Part 2 - Details of +equity securities or +debt securities that have
ASX +Security Code and Description
ATHAAD : OPTION EXPIRING 06-JAN-2026 EX $0.032
Unquoted +equity securities that have ceased
Number of securities that have ceased
91,392,720
Reason for cessation
Expiry of option or other convertible security without exercise or conversion
Date of cessation Is the entity paying any consideration for the cessation?
6/1/2026 No
Any other information the entity wishes to notify to ASX about the cessation?
Part 3 - Issued capital following changes
Following the cessation of the +securities the subject
of this notification, the issued capital of the entity will comprise:
The figures in parts 3.1 and 3.2 below are automatically
generated and may not reflect the entity's current issued capital if other Appendix 2A, Appendix 3G or Appendix 3H forms are currently
with ASX for processing.
Quoted +equity securities and +debt securities (total number of each +class of +securities quoted on ASX)
Total number of
ASX +security code and description +securities on issue
ATH : ORDINARY FULLY PAID 10,875,416,329
ATHO : OPTION EXPIRING 31-AUG-2026 931,232,089
ATHOA : OPTION EXPIRING 26-FEB-2027 1,222,300,911
Unquoted +equity securities (total number of each +class of +equity securities issued but not quoted on ASX)
Total number of
ASX +security code and description +securities on issue
ATHAAE : OPTION EXPIRING 29-NOV-2026 EX $0.0375 10,000,000
ATHAAG : OPTION EXPIRING 29-NOV-2026 EX $0.0238 11,500,000
ATHAE : OPTION EXPIRING 08-AUG-2030 EX $0.013 11,500,000
ATHAF : OPTION EXPIRING 08-AUG-2030 EX USD 0.0086 312,400,200
ATHAD : OPTION EXPIRING 01-JUL-2030 EX $0.01 15,000,000
ATHAAK : OPTION EXPIRING 30-DEC-2027 EX $0.01 170,000,000
ATHAAH : OPTION EXPIRING 19-DEC-2026 EX $0.0105 8,000,000
ATHAB : OPTION EXPIRING 13-MAR-2029 EX US$0.0031 62,500,000
ATHAA : OPTION EXPIRING 13-MAR-2029 EX $0.004 20,166,667
ATHAC : OPTION EXPIRING 21-MAR-2029 EX US$0.003 40,000,200
ATHAAD : OPTION EXPIRING 06-JAN-2026 EX $0.032 0
Note: the figures stated in the tables above are used to
calculate the total market capitalisation of the entity published by ASX from time to time. The table will not include those classes of
+securities that have ceased or lapsed in their entirety in ASX records before the announcement date described in Q1.5, even if the entity
has advised ASX of a change to that class of +security in Part 2 of this form.

Frequently Asked Questions

What securities ceased on January 6, 2026?

The ATHAAD option, expiring January 6, 2026, with 91,392,720 securities, has ceased.

Why did the ATHAAD options cease?

The ATHAAD options ceased due to their expiry without exercise or conversion.

Will Alterity Therapeutics pay for cessation of options?

No, Alterity Therapeutics will not pay any consideration for the cessation.

What is the ASX issuer code for Alterity Therapeutics?

The ASX issuer code for Alterity Therapeutics is ATH.

How many ordinary fully paid securities are on issue?

There are 10,875,416,329 ordinary fully paid securities on issue.

Last updated: Jan 7, 2026